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TIL A dentist invented cotton candy

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9m5r TIL Although the US makes up about 4 percent of the world’s population, it accounts for 22 percent of the world’s prison population.
DQOmY TIL that there was such a thing as Greek Fire, an ancient incendiary weapon of mass destruction.
nepxr TIL A thin layer of gold on NASA astronaut's helmet visor fends off dangerous effects of solar radiation. Satellite microelectronics that instantaneously relay data around the globe also depend on gold components to ensure reliable, corrosion-resistant and static-free performance.
ANAmd TIL That "tank banks" were set up across Great Britain during WWI to sell war bonds to buy more tanks. Cites competed to see who could sell the most bonds. The city who raised the most money was Glasgow at 16 million pounds.
e0r15 TIL the ocean liner "Stockholm" that collided with and sunk the Italian liner "Andrea Doria" in 1956 is still in use today as a cruise ship